com.arquitetaweb.restaurantes.fragment.CardapioFragment.java Source code

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Here is the source code for com.arquitetaweb.restaurantes.fragment.CardapioFragment.java

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/*******************************************************************************
 * Copyright 2014 Marcos Tomazini
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.arquitetaweb.restaurantes.fragment;

import java.util.ArrayList;
import java.util.HashMap;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.TextView;

import com.arquitetaweb.command.R;
import com.arquitetaweb.restaurantes.DetailsActivity;
import com.arquitetaweb.restaurantes.adapter.MesaAdapter;
import com.arquitetaweb.restaurantes.messages.Alerta;
import com.arquitetaweb.util.JSONParser;
import com.arquitetaweb.util.Utils;

public class CardapioFragment extends Fragment {
    private FragmentActivity contexto;

    JSONArray json = null;

    // JSON Keys
    public static final String KEY_ID = "Id";
    public static final String KEY_NUMEROMESA = "NumeroMesa";
    public static final String KEY_CODIGOEXTERNO = "CodigoExterno";
    public static final String KEY_SITUACAO = "Situacao";

    GridView mesas;
    public static MesaAdapter adapter;

    Handler handler;
    ProgressDialog progressDialog;

    public static final String TAG = CardapioFragment.class.getSimpleName();
    private static final String CARDAPIO_SCHEME = "settings";
    private static final String CARDAPIO_AUTHORITY = "porcoes";
    public static final Uri CARDAPIO_URI = new Uri.Builder().scheme(CARDAPIO_SCHEME).authority(CARDAPIO_AUTHORITY)
            .build();

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        contexto = this.getActivity();
        final View view = inflater.inflate(R.layout.list_itens, container, false);

        handler = new Handler();
        carregarDadosJson(view);

        return view;
    }

    private void carregarDadosJson(final View view) {

        handler = new Handler();

        progressDialog = new ProgressDialog(contexto);
        progressDialog.setCancelable(false);
        progressDialog.setMessage("atualizando mapa das mesas...");
        progressDialog.show();

        Thread thread = new Thread() {
            public void run() {
                if (Utils.isConnected(contexto)) {
                    String url = Utils.getUrlServico(contexto) + "/Api/SituacaoMesas";
                    JSONParser jParser = new JSONParser();
                    json = jParser.getJSONFromUrl(url);

                    contexto.runOnUiThread(new Runnable() {
                        public void run() {
                            ArrayList<HashMap<String, String>> mesasLista = new ArrayList<HashMap<String, String>>();
                            for (int i = 0; i < json.length(); i++) {
                                try {
                                    JSONObject c = json.getJSONObject(i);

                                    HashMap<String, String> map = new HashMap<String, String>();

                                    map.put(KEY_ID, c.getString(KEY_ID));
                                    map.put(KEY_NUMEROMESA, c.getString(KEY_NUMEROMESA));
                                    map.put(KEY_CODIGOEXTERNO, c.getString(KEY_CODIGOEXTERNO));
                                    map.put(KEY_SITUACAO, c.getString(KEY_SITUACAO));

                                    mesasLista.add(map);
                                } catch (JSONException e) {
                                    e.printStackTrace();
                                }
                            }

                            mesas = (GridView) view.findViewById(R.id.list);
                            adapter = new MesaAdapter(contexto, mesasLista);
                            mesas.setAdapter(adapter);

                            // Click event for single list row
                            mesas.setOnItemClickListener(new OnItemClickListener() {
                                @Override
                                public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                                    TextView idItem = (TextView) view.findViewById(R.id.idItem);

                                    Bundle bun = new Bundle();
                                    bun.putString("id", (String) idItem.getText());

                                    abrirDetalhes(view, bun);
                                }

                                private void abrirDetalhes(View view, Bundle bun) {
                                    Intent intent = new Intent(view.getContext(), DetailsActivity.class);
                                    intent.putExtras(bun);
                                    startActivityForResult(intent, 100);
                                }
                            });
                            progressDialog.dismiss();
                        }
                    });

                } else {
                    contexto.runOnUiThread(new Runnable() {
                        public void run() {
                            progressDialog.dismiss();
                            new Alerta(contexto, "", "No Foi Localizado o Servidor!" + "\nCausas:"
                                    + "\nConexo OK?" + "\nServidor correto?");
                            //                          Toast.makeText(contexto, "No Foi Localizado o Servidor!",
                            //                            Toast.LENGTH_LONG).show();                          
                            //Intent intent = new Intent("settings://sandbox");
                            //startActivity(intent);
                        }
                    });
                }
            }
        };
        thread.start();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (Activity.RESULT_OK == resultCode) {
            carregarDadosJson(this.getView());
        }
    }
}